Port forwarding

Hey guys please help me I am going to holand next week and I am taking my windows 10 tablet I want to play xbox whilst I am there but can't figure out how to do the port forwarding I have a hg635 talktalk router and can not figure out to port forward to my xbox any help would be great cheers

Need any more info just ask
Sent from my SM-N9005 using XDA Free mobile app